@misc{indiciaef1611264fa96,
  title = {Single element verniers reading two or three dimensions.},
  author = {R E LEWIS},
  year = {1950},
  doi = {10.1063/1.1745676},
  url = {https://pubmed.ncbi.nlm.nih.gov/15430695/},
  note = {Source identifier: 15430695}
}